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HP (Hewlett-Packard) LJ3150 manual

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Table of contents for the manual

  • Page 1

    EN Internal assemblies 111 E xit rolle r 1 Remov e all cov ers, the RFI shield, and the printer door . 2 Pr y in the tab at the low er end of the left exit roller b ushing and pull it inward. 3 Release the e xit roller by rotating the tab up . Fi g u r e 39. Ex i t r o l l er r em o v al 4 Remov e the e xit roller by lifting up the left end; the ri[...]

  • Page 2

    112 Removal and replacement EN D e live r y a sse mbly 1 Remov e all cov ers, the RFI shield, the printer door , and the exit roller . 2 Remov e the car tr idge guide by pressing in the tab (callout 1) and sliding the guide tow ard the front of the HP LaserJet 3100/3150 product (callout 2). Fi g u r e 40. Del i v ery as s em b l y r em ov al (1 o f[...]

  • Page 3

    EN Internal assemblies 113 3 Use the magnetic screwdriv er to remov e the two (2) scre ws (callout 1). Fi g u r e 41. Del i v ery as s em b l y r em ov al (2 o f 2) 4 Rotate the rear of the deliv er y assembly up and f orward and lift it out of the printer . No t e Upon reinstallation, the tabs on the front end of the delivery assembly must fit und[...]

  • Page 4

    114 Removal and replacement EN F use r pre ssure pla te 1 Remov e all cov ers, the RFI shield, the printer door , the exit roller , and the delivery assembly . 2 Remov e the two (2) scre ws (callout 1). 3 Press the fuser plate retainer clips out (callout 2) to release the pressure plate. 4 Rotate the plate around and tow ard the back (callout 3) an[...]

  • Page 5

    EN Internal assemblies 115 To r e i n s t a ll The fuser pressure plate is held in place by f our loc king mechanisms in each corner . Place the rear slits in the plate ov er the rear brack ets that hold the fusing assembly (callout 1). Lo wer the plate ov er the retaining clips, pressing on both sides of the fuser pressure plate (callout 2). It is[...]

  • Page 6

    116 Removal and replacement EN F ront ca sing 1 Remov e all cov ers, the RFI shield, and the printer door . 2 Remov e the two (2) scre ws (callout 1) from the right hinge holder . No t e The lower scre w on each of the hinge holders secures a small metal grounding plate. Upon reinstallation, make sure the grounding plates are in the correct positio[...]

  • Page 7

    EN Internal assemblies 117 Heat i n g el em en t 1 Remov e all cov ers, the RFI shield, the printer door , the exit roller , the delivery assembly , the fuser pressure plate, and the front casing. 2 Disconnect the A C voltage to the heating element b y releasing the connector located on the ECU . Press down on the connector release with the small f[...]

  • Page 8

    118 Removal and replacement EN 4 Disconnect the thermistor feedbac k connector (callout 1) in the left, front side of the fusing assembly . Fi g u r e 46. Heat i n g el em en t r em o v al (2 o f 2) 5 Lift the heating element out. To r e i n s t a ll Make sure the connectors are properly reattached and that the thermistor feedbac k cable is routed [...]

  • Page 9

    EN Internal assemblies 119 P re ssure rolle r 1 Remov e all cov ers, the RFI shield, the printer door , the exit roller , the delivery assembly , the fuser pressure plate, the front casing, and the heating element. 2 Remov e the pressure roller guide by lifting the edge (callout 1) and then rolling it gently backw ard (callout 2). Fi g u r e 47. Pr[...]

  • Page 10

    120 Removal and replacement EN F a ce - up/ fa ce - down le ve r 1 Remov e all cov ers, the RFI shield, the printer door , the exit roller , the delivery assembly , the fuser pressure plate, the front casing, the heating element, and the pressure roller . 2 Rotate the le ver f orward 90 deg rees (past the spring) and pull it straight out the front [...]

  • Page 11

    EN Internal assemblies 121 F use r e xit rolle r a sse mb ly 1 Remov e all cov ers, the RFI shield, the printer door , the exit roller , the delivery assembly , the fuser pressure plate, the front casing, the heating element, the pressure roller , and the face-up/f ace- down le v er . 2 Remov e the gear from the left end of the roller shaft by pres[...]